Pith Number

pith:U7X7VSRZ

pith:2011:U7X7VSRZJYDFYAIE6GQGV3JC6M

not attested not anchored not stored refs pending

Picard satellite for solar astrometry

Costantino Sigismondi

arxiv:1106.2198 v1 · 2011-06-11 · astro-ph.SR · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7X7VSRZJYDFYAIE6GQGV3JC6M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:01:39.777221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7effaca394e065c0104f1a06aed22f33bbe170a4fef5adbe6d101a621b3f535

Aliases

arxiv: 1106.2198 · arxiv_version: 1106.2198v1 · doi: 10.48550/arxiv.1106.2198 · pith_short_12: U7X7VSRZJYDF · pith_short_16: U7X7VSRZJYDFYAIE · pith_short_8: U7X7VSRZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/U7X7VSRZJYDFYAIE6GQGV3JC6M \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a7effaca394e065c0104f1a06aed22f33bbe170a4fef5adbe6d101a621b3f535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4decaa60852fdbfe8a732e0b7f22caaecfe9dc5b0d1b8af8b62f5afdab6ef2d",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-11T04:21:52Z",
    "title_canon_sha256": "c31183b66aecabbf196f6860f3a2010945c2d23d2a1ac86dc4c3bec2f704204a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2198",
    "kind": "arxiv",
    "version": 1
  }
}